A person may not bring an action under this act more than 3 years after the contract of sale, except that a person suing because of a violation of section 27 may not bring an action more than 6 years after the date of sale. A person may not bring an action if he or she previously rejected a valid rescission offer made at least 30 days after the transaction, except that a person suing under section 24 shall bring an action for rescission within 1 year.